octane number

English

Noun

octane number (plural octane numbers)

A measure of the antiknock properties of an automobile fuel; isooctane having an octane number of 100, a fuel with the same antiknock properties as a mixture of 90% isooctane and 10% heptane having an octane number of 90.

Synonyms

octane rating

Hyponyms

motor octane number (MON)
research octane number (RON)
antiknock index (AKI)

Derived terms

motor octane number (MON)
research octane number (RON)

Translations

measure of the antiknock properties of an automobile fuel

Danish: oktantal (da) n
Finnish: oktaaniluku (fi)
French: indice d’octane (fr) m
German: Oktanzahl (de) f
Hungarian: oktánszám (hu)
Italian: numero di ottano (it) m
Kazakh: октан саны (oktan sany)
Persian: عدد اکتان ('adad-e oktân)
Portuguese: octanagem (pt) f
Romanian: cifră octanică (ro) f
Spanish: octanaje m, índice de octano m
Swedish: oktantal (sv) n, oktan (sv) n

See also

cetane number

Further reading

octane rating on Wikipedia.Wikipedia

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